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Differnce between 512 and 1 gb

Last response: in Graphics & Displays
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December 1, 2010 2:52:11 AM

Hello,
I wanna know that what are the main drawbacks of 512 mb graphic card over 1 gb (say for example HD 4670 512Mb and 4670 1GB OR HD5670 512 Mb and HD5670 1Gb).

More about : differnce 512

a b U Graphics card
December 1, 2010 2:59:50 AM

One is half of the other...

I would say a 4670 isn't powerful enough to run games at a high enough resolution for the memory to be the deciding factor in performance so there is probably little to no drawback in real life. It all depends on what resolution and what particular software you are trying to run though.
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a b U Graphics card
December 1, 2010 3:12:58 AM

If you are gaming at 1080p or 1050p go for a 1gb card.
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December 1, 2010 3:17:00 AM

For higher resolutions you need more memory, but there are cards that are based on gimmick. For example, you get a GT210 from nvidia which might have 512mb of VRAM, but the processor the card is not powerful enough to use all of it. Heck, even 256mb for that GPU will suffice

In your case, you will see exact performance with 1gb or with 512mb versions of 4670.
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Best solution

a b U Graphics card
December 1, 2010 3:51:43 AM

Uptil a resolution of 1600x1020, 512 mb is enough as the CPU can take the stress till that. However, push your resolution over that and you'll be better off with a 1gb card because that's where the GPU memory gets utilized. Leaving your CPU to handle high resolutions isn't a good idea coz the CPU can't take it which is why the GPU compensates by utilizing the extra 512mb.

So if you're looking at gaming at a resolution of 1920x1080, you're gonna be better off with 1gb of GPU memory as against 512mb
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December 1, 2010 3:55:48 AM

Has hd4670 512mb (128 bit bus) any advantage over Hd4670 1gb (128 bit bus)
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a b U Graphics card
December 1, 2010 4:11:47 AM

The 1 gb card will have an advantage only if you're gaming at a higher resolution (1920x1080). 512 mb card's can handle resoltions upto that, but with the 4670 it might be stretching it. While the card does support resolutions upto 2560 x 1600, you might wanna take the 1gb card to be safer.

Keep in mind that the card will run games like COD:MW at playable frames, it will not run Crysis (DX10) at more than 23fps

http://www.hardwarecanucks.com/forum/hardware-canucks-r...
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a c 130 U Graphics card
December 1, 2010 6:20:00 AM

Just to say that in the main whats been said is all correct but games these days like throwing large textures about and if you can affrod the 1GB then it will be worth your while getting it. If they want to charge a lot more then no but if its a small differance then you are definatly better off getting the 1GB card.

Mactronix :) 
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a b U Graphics card
December 1, 2010 9:15:52 AM

THe higher the resolution/games settings also, the more memory needed.
For eg, games like gta 4 need a lot of memory to run on high/very high settings..
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December 12, 2010 12:12:24 AM

Best answer selected by grewal630.
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